Immunogen sequence: CQQLKLSSKG QKLDAYKRLC AFAYPNQKDF PSTAKEAKIR KSLQKKLKVE KGETSLQSSE THPPEVALPP VGEPPALENS TALLEGVNTV VVTTS. The DPPA4 gene encodes developmental pluripotency associated 4, a protein that plays a crucial role in maintaining stem cell plu